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network/http-launch: Content-type header creation now happens into notify::caps signal handler

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This commit is contained in:
Luis de Arquer 2015-03-18 21:39:26 +00:00
parent d72375c22d
commit ebe2883488
1 changed files with 56 additions and 19 deletions
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75
network/http-launch/http-launch.c
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@ -35,6 +35,12 @@ typedef struct
GByteArray *current_message;
} Client;
static const char *known_mimetypes[] = {
"video/webm",
"multipart/x-mixed-replace",
NULL
};
static GMainLoop *loop = NULL;
G_LOCK_DEFINE_STATIC (clients);
static GList *clients = NULL;
@ -347,6 +353,51 @@ on_client_socket_removed (GstElement * element, GSocket * socket,
remove_client (client);
}
static void on_stream_caps_changed (GObject *obj, GParamSpec *pspec,
gpointer user_data)
{
GstPad *src_pad;
GstCaps *src_caps;
GstStructure *gstrc;
src_pad = (GstPad *) obj;
src_caps = gst_pad_get_current_caps (src_pad);
gstrc = gst_caps_get_structure (src_caps, 0);
/*
* Include a Content-type header in the case we know the mime
* type is OK in HTTP. Required for MJPEG streams.
*/
int i = 0;
const gchar *mimetype = gst_structure_get_name(gstrc);
while (known_mimetypes[i] != NULL)
{
if (strcmp(mimetype, known_mimetypes[i]) == 0)
{
if (content_type)
g_free(content_type);
/* Handle the (maybe not so) especial case of multipart to add boundary */
if (strcmp(mimetype, "multipart/x-mixed-replace") == 0 &&
gst_structure_has_field_typed(gstrc, "boundary", G_TYPE_STRING))
{
const gchar *boundary = gst_structure_get_string(gstrc, "boundary");
content_type = g_strdup_printf ("Content-Type: "
"multipart/x-mixed-replace;boundary=--%s\r\n", boundary);
}
else
{
content_type = g_strdup_printf ("Content-Type: %s\r\n", mimetype);
}
g_print("%s", content_type);
break;
}
i++;
}
gst_caps_unref (src_caps);
}
int
main (gint argc, gchar ** argv)
{
@ -382,25 +433,6 @@ main (gint argc, gchar ** argv)
return -3;
}
/*
* Make the HTTP header 'Content-type' if we are trying to create a
* MJPEG (or any other multipart) stream.
*/
content_type = g_strdup ("");
if ( strcmp ("GstMultipartMux", g_type_name(G_OBJECT_TYPE(stream)) ) == 0 ) {
gchar *boundary = NULL;
g_object_get (stream, "boundary", &boundary, NULL);
if (boundary == NULL) {
g_print ("Warning: \"boundary\" property not found in mutipartmux\n");
} else {
/* Free default empty string "" created above, and create new string */
g_free(content_type);
content_type = g_strdup_printf ("Content-Type: "
"multipart/x-mixed-replace;boundary=--%s\r\n", boundary);
}
}
srcpad = gst_element_get_static_pad (stream, "src");
if (!srcpad) {
g_print ("no \"src\" pad in element \"stream\" found\n");
@ -409,6 +441,11 @@ main (gint argc, gchar ** argv)
return -4;
}
content_type = g_strdup ("");
g_signal_connect (srcpad, "notify::caps",
G_CALLBACK (on_stream_caps_changed),
NULL);
ghostpad = gst_ghost_pad_new ("src", srcpad);
gst_element_add_pad (GST_ELEMENT (bin), ghostpad);
gst_object_unref (srcpad);